Looking for this as well. Knew I wouldn't be the only one.

E: Even when sorting by 'Top Day/Week' the top posts get pushed down by new ones.

Can always transfer those helpful posts to an indexed blog. Or here? Is Lemmy indexed?

The worst timeline.

Quality would absolutely drop. Even if whoever replaced the mods was just as enthusiastic, losing that much institutional knowledge/inertia would be devastating for a while.